/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Shader Tools module
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
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** accordance with the commercial license agreement provided with the
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
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****************************************************************************/

#ifndef QSHADERBAKER_H
#define QSHADERBAKER_H

#include <QtShaderTools/qtshadertoolsglobal.h>
#include <QtGui/private/qshader_p.h>

QT_BEGIN_NAMESPACE

struct QShaderBakerPrivate;
class QIODevice;

class Q_SHADERTOOLS_EXPORT QShaderBaker
{
public:
    QShaderBaker();
    ~QShaderBaker();

    void setSourceFileName(const QString &fileName);
    void setSourceFileName(const QString &fileName, QShader::Stage stage);

    void setSourceDevice(QIODevice *device, QShader::Stage stage,
                         const QString &fileName = QString());

    void setSourceString(const QByteArray &sourceString, QShader::Stage stage,
                         const QString &fileName = QString());

    typedef QPair<QShader::Source, QShaderVersion> GeneratedShader;
    void setGeneratedShaders(const QVector<GeneratedShader> &v);
    void setGeneratedShaderVariants(const QVector<QShader::Variant> &v);

    void setPreamble(const QByteArray &preamble);
    void setBatchableVertexShaderExtraInputLocation(int location);

    QShader bake();

    QString errorMessage() const;

private:
    Q_DISABLE_COPY(QShaderBaker)
    QShaderBakerPrivate *d = nullptr;
};

QT_END_NAMESPACE

#endif